Home / 8,993.07-12,411.36-5,409.18

Finding the Fourth Proportional to 8,993.07, 12,411.36 and 5,409.18

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Solution

The fourth proportional to 8,993.07, 12,411.36 and 5,409.18 is: 7,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.07 : 12,411.36 = 5,409.18 : x
  2. Step 2: Convert to fraction form
    8,993.07/12,411.36 = 5,409.18/x
  3. Step 3: Cross multiply
    8,993.07x = 12,411.36 × 5,409.18
  4. Step 4: Simplify right side
    8,993.07x = 67,135,280.28
  5. Step 5: Solve for x
    x = 67,135,280.28/8,993.07
  6. Step 6: Final answer
    x = 7,465.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.